In the pharmaceutical, food and cosmetics industries, modern cartoners only guarantee higher ROI if you optimize the machine’s performance. Achieving peak packaging performance requires a delicate balance – maximizing throughput, without compromising packaging integrity and cycle predictability.
Remember, higher cartoning speed without close attention to accuracy results in significant losses. This article explores practical ways to improve cartoning machine speed, without sacrificing accuracy.
Why Accuracy and Speed Matter in Cartoners
· Maximize Overall Equipment Effectiveness (OEE) and Profitability
In the packaging industry, accuracy and speed are very important factors in the Overall Equipment Effectiveness (OEE) of the machines. When carefully optimized, they can guarantee your business a higher ROI.
For example, in the case of continuous motion cartoners, the machines provide a seamless operation, which results in the elimination of start-stop cycles. This allows the manufacturers to attain high speed rates, which in turn results in an improvement in product quality.
· High CPM with < 0.5% Reject Rate
Packaging higher cartons per minute (cpm) with a rejection rate of below 0.5% is a major characteristic of modern cartoning machines.
Such a level of precision and speed is achievable using servo systems, vision inspection, and intelligent monitoring systems. These machines are able to detect and reject defective products, ensuring that all the cartons meet the required standard.
· Prevent Material Wastage and Maintain Brand Integrity
In the fast-paced world of packaging, accuracy and speed are key factors in waste prevention and maintaining a brand’s integrity.
Highly accurate and fast cartoning machines are necessary in the packaging industry because they ensure that cartons are perfectly formed and filled. These prevent product damage and wrong shipments, thus maintaining a brand’s integrity and customer satisfaction.
· Compliance with Regulatory Standards
Highly accurate and fast cartoning machines are crucial for compliance with relevant regulations and standards. This is critical in the pharmaceutical, food and beverage industries where machines must comply with CGMP and 3-A sanitary standards.
This is important because the high standards of accuracy and speed maintained by the cartoning system ensure that you are not involved in any legal issues, fines, or product recalls.
Ways to Increase Cartoning Speed While Maintaining Accuracy
1. Analyze Current Cartoner Performance
Even before making any adjustment to optimize cartoning machine speed and accuracy, you must analyze the performance metrics of your machines.
Among the 5 key fundamental aspects you must evaluate are:
- Throughput in CPM– Monitor the number of units produced by the machine to ensure it is in accordance with the production requirement. We evaluate this as the number of cartons per minute (cpm).
- Rejection rate– Always analyze the percentage of cartons that are not of good quality to ensure improvement in the machine.
- Downtime– It is important to monitor the period when your machine is not in operation to understand the impact of issues that arise during its maintenance.
- Real-time data monitoring and analysis– Use software to monitor and analyze the efficiency of the machines and make the necessary adjustments to improve performance.
- Industry standards– Compare the output capacity of the machines with the industry standards to ensure the machines are operating at optimal efficiency.
2. Cartoner Mechanical Optimization
As a matter of fact, all cartoning machines are electromechanical systems. Therefore, the only way to optimize cartoning machine speed without sacrificing accuracy is to ensure all mechanical parts are working properly.
Therefore, you may need to inspect each part and, where possible, replace worn-out components.
- Upgrade machine parts– Upgrading the machine with quality belts, an actuator, and sensors would improve efficiency.
- Precise alignment and calibration– Alignment of the machine should be checked and adjusted accordingly.
- Check quality of packaging material– Quality of the packaging material of the cartons should also be checked to avoid the problem of jamming.
- Preventive maintenance and parts inspection– Develop a routine to inspect and maintain parts such as conveyors, feeders, carton erection systems, and sealing mechanisms to prevent problems from occurring.
The implementation of the above strategies will ensure the efficiency of the cartoning process, and the potential to attain high rates and quality is possible.
3. Enhance Automation and Control Systems
From horizontal cartoners to vertical cartoners, automation has significantly improved machine speed and accuracy. In fact, automation makes it easier for cartoners to optimize both cycle time and throughput.
Among the key adjustments that can significantly optimize machine speed are:
- Adopt servo-driven systems– The system has the capacity to load cartons with a response time of milliseconds and accuracy of ±0.5 mm. This is a massive improvement compared to the traditional machines.
- Implement programmable logic controllers (PLC)– PLCs alongside microprocessors, are the brains that operate the automatic cartoners. Through the touchscreen HMI, operators can configure cartoners for maximum throughput without compromising on accuracy.
- Integrate machine vision technology– Vision technologies and sensors help maintain cartoner accuracy and speed. Integration will help to detect defects in cartons or products.
- Deploy IoT and AI Analytics– Industry 4.0 has seen cartoning machine manufacturers prioritize smart systems and data analytics to improve packaging. By integrating AI and IoT, cartoning machines are efficient and reliable.
- Software updates & machine calibration– Over time, cartoners may experience wear and tear, while sensors may slowly deviate from their setpoints. This requires machine calibration to maintain hardware and software upgrades, which is critical in maintaining cartoner speed and accuracy.
4. Operator Training and Process Standardization
Installing an advanced automatic cartoner without proper training results in packaging inaccuracies and inconsistencies. Recently, many carton manufacturer offer free training to help their customers optimize cartoning machine speed without sacrificing accuracy.
Therefore, you should:
- Develop standard operating procedures– This ensures the machine operators follow a consistent and approved process to limit inconsistencies. The documents must capture cartoner setup, changeover and preventive maintenance processes.
- Offer continuous improvement training – Through these trainings, machine operators remain updated with the latest developments in the cartoning machine industry. Through data analysis and software upgrades, they learn to improve machine speed while maintaining accuracy.
5. Optimizing Product Packaging Design
If you are operating a continuous motion cartoner or an intermittent motion cartoner, one of the key variables you must consider is the packaging material and design. For instance, your production line may be handling products of different sizes and geometries.
- Carton geometry– The carton shapes may be a cube, cuboid, triangular, or hexagonal. This knowledge will help you choose the right carton loading, forming, and sealing mechanisms.
- Product orientation and loading methods– A critical variable is the orientation of the products. This determines how fast the machine loads products into the carton ready for sealing. It does not matter how complex the product may be; you must devise a mechanism for efficient loading and subsequent sealing of cartons.
6. Data-Driven Performance Optimization
Optimizing cartoning machine speed without compromising on accuracy must be data-driven. This must not be a trial-and-error kind of venture since it will result in significant losses.
You must evaluate the production data. This involves analyzing the availability or machine uptime, performance in terms of speed and quality, which is determined by the accuracy of the machine. Through this, your cartoner will achieve higher Overall Equipment Effectiveness (OEE).
Again, synchronizing the cartoner with the upstream production line reduces delays that can slow down the overall process.
7. Testing and Validation
Once you implement the above process, you must test and evaluate the overall performance of the cartoning machines. That is, the machine must operate within the desired speed and maintain the accuracy.
You can confirm this through control speed trials where your machines can perform different packaging operations.
This is also an important step to adopting practical quality assurance protocols.
8. Continuous Improvement and Longterm Maintenance
Tuning a cartoner to attain a specific packaging speed, while maintaining consistent packaging, requires continuous improvement. You can only achieve this through audits and continuous improvements.
Therefore, you must review the performance of the machines over time. Through this, you will know when to improve the machine performance and recommend updates where necessary.
FAQs
What is the average speed of a fully automatic cartoning machine?
The average speed of fully automatic cartoners varies with machine design. For instance, intermittent motion cartoners have an average speed of 30 to 80 cartons per minute.
On the other hand, continuous motion cartoners have an average speed of 120 to over 400 cartons per minute.
What are the main causes of jams when increasing cartoner speed?
The main causes of jams when increasing speed, or cartons per minute, in a cartoning machine are: inconsistency in product orientation, quality of carton board, alignment, quality of feeder components, and timing.
How do you know if a cartoner has reached its physical speed limit?
If a cartoner has reached its physical speed limit, there will be a rise in rejected products above 0.5%, an increase in jams, a rise in drive torque above normal limits, and a reduction in carton quality.
Does switching from mechanical cams to servo motors improve cartoner accuracy?
Yes, accuracy will be improved if servo motors replace mechanical cams in a cartoning machine, since servo motors allow precise, high-speed, and independent axis movement.
What role does “No Product, No Carton” logic play in speed optimization?
This will save money and time, as there will be no waste in erecting and sealing empty cartons, thus enhancing efficiency.
How often should you calibrate cartoning machine sensors?
You must calibrate at every maintenance period, after any mechanical repair is done, after the changeover process, and when the reject rate is suddenly high.
Neocarton: Your Trusted Cartoning Machine Manufacturer in China
Neocarton designs and manufactures fully automated cartoning machines in China. Our machines range from horizontal cartoners to vertical cartoners with either intermittent or continuous motion.
When you buy cartoners from Neocarton, our technicians will help you with machine installation and commissioning, with extended technical support available.
Partner with Neocarton today for all your packaging solutions – Get a quote now.
